Jabra 14205-23
Jabra Link 400 USB-A DECT Adapter User Manual
Model: 14205-23
Introduction
The Jabra Link 400 USB-A DECT Adapter provides secure and reliable wireless connectivity for your Jabra Engage 55, 65, or 75 headsets. This compact and durable dongle allows you to connect your headset to your computer without the need for a traditional wireless base station, offering enhanced mobility and flexibility for various work environments, including hybrid setups.

Image: The Jabra Link 400 USB-A DECT Adapter, a black, circular dongle with an integrated USB-A connector, designed for connecting Jabra Engage headsets to computers.
Setup
Connecting the Adapter
The Jabra Link 400 features plug-and-play technology for easy setup.
- Ensure your Jabra Engage 55, 65, or 75 headset is powered on and within range.
- Insert the Jabra Link 400 USB-A DECT Adapter into an available USB-A port on your computer.
- The adapter will automatically attempt to pair with your headset. The large button on the adapter can be used for one-touch pairing if needed.
- Once connected, the LED indicator on the adapter will turn blue.

Image: A man wearing a Jabra headset, working on a laptop, with icons representing freedom of movement and easy setup. This illustrates the simple plug-and-play nature of the Link 400 adapter.
Operating Instructions
LED Indicators
The Jabra Link 400 adapter features bright LED colors to help you manage calls and notifications effectively:
- Blue: Indicates the adapter is connected to your headset.
- Green: Indicates you are currently on a call.
- Red: Indicates your microphone is muted.
- Purple (Solid): Indicates connection to Microsoft Teams.
- Purple (Pulsing): Indicates a new Microsoft Teams notification.
Call Management
The large button on the adapter allows for quick call management:
- Press the button to answer or end a call.
- Press and hold the button to mute/unmute your microphone (check headset specific controls for full mute functionality).

Image: A Jabra headset and the Link 400 adapter, highlighting the 'Busylight' feature which signals to others when you are on a call, promoting an automatic 'do not disturb' mode.
Compatibility
The Jabra Link 400 USB-A DECT Adapter is specifically designed for use with the following Jabra Engage wireless headsets:
- Jabra Engage 55
- Jabra Engage 65
- Jabra Engage 75
It is compatible with all leading communication platforms and is certified to work seamlessly with Microsoft Teams, providing an optimized user experience.

Image: A collection of logos for various Unified Communications (UC) platforms such as Microsoft Teams, Zoom, Avaya, and Cisco, indicating the broad compatibility of the Jabra Link 400 adapter.
Features
- Extended Wireless Range: Enjoy freedom of movement with an operational range of up to 150 meters (490 feet) from your computer, significantly greater than conventional Bluetooth devices.
- DECT Security-Certified: Your conversations remain fully encrypted with military-grade FIPS 256-bit encryption algorithms, ensuring secure wireless connectivity.
- Durable and Portable Design: The unique bendable shape of the Link 400 reduces the risk of damage, even when left plugged into your laptop during transport, making it ideal for hybrid working.
- Microsoft Teams Certified: Optimized for Microsoft Teams, the adapter provides seamless integration and visual cues for Teams notifications.
- Plug-and-Play: Simple and quick connection to your Jabra Engage headset without complex setup procedures.

Image: The Jabra Link 400 adapter plugged into a laptop, positioned next to a Jabra headset, illustrating its flexible, portable, and durable design for various work settings.
Maintenance
To ensure the longevity and optimal performance of your Jabra Link 400 USB-A DECT Adapter, follow these simple maintenance guidelines:
- Keep the adapter clean by gently wiping it with a dry, soft cloth. Avoid using harsh chemicals or abrasive materials.
- Store the adapter in a cool, dry place when not in use.
- Avoid exposing the adapter to extreme temperatures, direct sunlight, or moisture.
- Do not attempt to disassemble or modify the adapter, as this will void the warranty.
Troubleshooting
Connection Issues
- Adapter not connecting to headset:
- Ensure your Jabra Engage headset is powered on and fully charged.
- Verify the adapter is securely plugged into a functioning USB-A port on your computer.
- Try unplugging and re-plugging the adapter.
- Press the large button on the adapter to initiate pairing.
- Ensure your headset is not already connected to another device or base station.
- No audio or poor audio quality:
- Check your computer's audio settings to ensure the Jabra headset is selected as the default input/output device.
- Ensure the headset volume is turned up.
- Move closer to your computer to ensure you are within the adapter's wireless range.
- Check for any physical obstructions that might interfere with the wireless signal.
LED Indicator Issues
- LED not lighting up:
- Ensure the adapter is properly inserted into the USB-A port.
- Try a different USB-A port on your computer.
- Restart your computer.
If issues persist, consult the Jabra support website for further assistance or contact Jabra customer support.
Specifications
| Model Number | 14205-23 |
| Connectivity | USB-A (DECT) |
| Wireless Technology | DECT |
| Wireless Range | Up to 150 m / 490 ft |
| Security | DECT Security-certified, FIPS 256-bit encryption |
| Color | Black |
| Dimensions (Package) | 3.9 x 1.57 x 0.55 inches |
| Item Weight | 0.317 ounces (0.01 Kilograms) |
| Compatible Headsets | Jabra Engage 55, 65, 75 |
| Certifications | Microsoft Teams |
| UPC | 706487021971 |
Warranty and Support
Warranty Information
The Jabra Link 400 USB-A DECT Adapter includes a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets Jabra's quality standards. Please retain your proof of purchase for warranty claims.
Customer Support
For technical support, troubleshooting assistance, or warranty inquiries, please visit the official Jabra support website or contact their customer service department. You can find contact information and detailed FAQs on the Jabra website: www.jabra.com/support
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How to Manually Pair Jabra Engage Headset with Jabra Link 400 This guide provides step-by-step instructions for manually pairing Jabra Engage headsets with the Jabra Link 400 DECT adapter using both wireless and cabled methods via Jabra Direct software. |
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How to Manually Pair a Jabra Engage Headset with the Jabra Link 400 Step-by-step guide on how to manually pair a Jabra Engage headset with the Jabra Link 400 using wireless or cabled pairing methods. Includes troubleshooting tips and applicable product information. |
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How to Reset Jabra Link 400 DECT Adapter for Jabra Engage 55 Step-by-step guide on how to reset the Jabra Link 400 DECT adapter to its default settings for the Jabra Engage 55 headset. Includes manual reset instructions. |
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Manually Pair Jabra Engage Headset with Jabra Link 400 Learn how to manually pair a Jabra Engage headset with the Jabra Link 400 using wireless or cabled pairing methods. This guide covers the Jabra Engage 55 series and compatible Link 400 adapters. |
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Jabra Engage 55: How to Manually Pair with Jabra Link 400 Step-by-step instructions for manually pairing the Jabra Engage 55 headset with the Jabra Link 400 DECT adapter. Learn how to connect your headset for optimal performance. |
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How to Reset Jabra Link 400 to Default Settings - Jabra Engage 55 Learn how to reset your Jabra Link 400 DECT adapter to its default settings using manual steps or Jabra Direct. This guide is for the Jabra Engage 55 headset. |
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